Each decade has a break-out self-help star, like today’s current queen of clean. But what exactly is it that makes us embrace them? Marie Kondo is an unlikely guru. The twinkle-toed expert that skips onto our TV screens, rifles through a householder’s drawers and encourages them to squeeze a jumper to ‘spark joy’ has got the world transfixed. She motivates people to declutter and create a zen-like
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